The difference frequency generators (DFG) 9800/9850 are wavelength extension accessories for the OPA 9800 and OPA 9850 to extend the final wavelength into the mid-IR.
The DFG 9800/9850 are accessories for our OPA 9800 and OPA 9850 Optical Parametric Amplifiers. Both the 9800 DFG and the 9850 DFG extend the tuning of our OPAs into the mid-IR range. When combined with a Coherent all-solid-state ultrafast system, consisting of the Verdi pump laser, Mira Optima 900 Ti:S oscillator, RegA 9000 regenerative amplifier, and OPA 9800 or OPA 9850, the DFG 9800/9850 allows continuous tuning from 2.55 µm to >10 µm. This level of operation makes the DFG 9800/9850 the industry’s only high repetition rate source for ultrafast spectroscopy in the mid-IR range.
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